在窗体上画一个名称为Label1的标签，然后编写如下事件过程：
Private Sub Form_Click()
Dim arr(10, 10) As Integer Dim i As Integer, j As Integer For i = 2 To 4
For j = 2 To 4
arr(i, j) = i * j
Next j
Next i
Label1.Caption = Str(arr(2, 2) + arr(3, 3)) End Sub
程序运行后，单击窗体，在标签中显示的内容是______。